• KTEX 50-30-4 Rectangular Duct Fan – ATEX Explosion Proof, Galvanised Steel, 3-Phase 400V, 2,550m³/h
  • KTEX 50-30-4 Rectangular Duct Fan – ATEX Explosion Proof, Galvanised Steel, 3-Phase 400V, 2,550m³/h
  • KTEX 50-30-4 Rectangular Duct Fan – ATEX Explosion Proof, Galvanised Steel, 3-Phase 400V, 2,550m³/h
  • KTEX 50-30-4 Rectangular Duct Fan – ATEX Explosion Proof, Galvanised Steel, 3-Phase 400V, 2,550m³/h
  • KTEX 50-30-4 Rectangular Duct Fan – ATEX Explosion Proof, Galvanised Steel, 3-Phase 400V, 2,550m³/h
  • KTEX 50-30-4 Rectangular Duct Fan – ATEX Explosion Proof, Galvanised Steel, 3-Phase 400V, 2,550m³/h
  • KTEX 50-30-4 Rectangular Duct Fan – ATEX Explosion Proof, Galvanised Steel, 3-Phase 400V, 2,550m³/h
  • KTEX 50-30-4 Rectangular Duct Fan – ATEX Explosion Proof, Galvanised Steel, 3-Phase 400V, 2,550m³/h

KTEX 50-30-4 Rectangular Duct Fan – ATEX Explosion Proof, Galvanised Steel, 3-Phase 400V, 2,550m³/h

Regular price £1,666.28
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Description
  • Explosion Proof: Certified ATEX II 2G Ex e IIB+H? Gb, compliant with EN 50014, EN 50019, EN 1127-1, and EN 13463-1.
  • High Performance: Maximum airflow of 2,550 m³/h, with forward-curved impellers and low sound pressure of 58 dB(A) at 3 m.
  • Durable Build: Galvanised steel casing with copper inlet cone for long-lasting, maintenance-free operation.
  • Motor Protection: Integral PTC thermistors with external leads for motor overheat protection, frequency 50 Hz, 3-phase, 400 V.
  • Flexible Installation: Can be installed in any position with DS flexible connections and speed-controllable operation.

The KTEX 50-30-4 rectangular duct fan is a versatile, ATEX-certified explosion-proof fan designed for safe and reliable ventilation in hazardous environments. Featuring a galvanised steel casing with a copper inlet cone, forward-curved impellers, and an external rotor motor, this fan delivers up to 2,550 m³/h airflow while maintaining low noise levels at 58 dB(A). Integral thermistors (PTC) protect the motor from overheating, and the fan is fully speed-controllable for flexible operation. Suitable for installation in any orientation, it combines durability, maintenance-free performance, and compliance with ATEX standards for enhanced safety in explosive atmospheres.


  • Product Code: 19404
  • Material: Galvanised steel casing, copper inlet cone
  • Voltage: 400 V, 3-phase
  • Frequency: 50 Hz
  • Input Power: 900 W
  • Current: 1.8 A
  • Maximum Airflow: 2,550 m³/h (0.653 m³/s)
  • RPM: 1,355 r.p.m.
  • Static Pressure: Min. 140 Pa
  • Weight: Approx. 22.8 kg
  • Dimensions: 300 x 500 mm connections
  • Colour: Galvanised silver
  • Motor Protection: IP44, Insulation Class F
  • Temperature Range: -60°C ambient and duct
  • Sound Level: 58 dB(A) at 3 m



  • Whisper-Quiet Operation

    Enjoy cleaner air and consistent comfort without any distracting noise.

  • Precision Airflow Engineering

    Enjoy clean, balanced comfort throughout your space.

  • Smart Energy Optimisation

    Our systems automatically adjust their output when needed

  • Built For Modern Living

    Beautiful to look at, effortless to use, and engineered to last.

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